Securities Star news, according to data from Tianyancha APP, Longway Co., Ltd. (301202) has newly obtained a utility model patent authorization. The patent is called \”A MD05…
Automatic door closers for sliding doors are very common, semi-automatic (that is, manual), and can be used for fire doors of various shops and units. Often seen. There are also va…
1. When the automatic door does not move, please check according to the following steps. 1. Turn off the power 2. Push and pull the door leaf by hand a. Unsmooth: ① Door leaf And t…